US3265546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical drilling of circuit boards
Assignee: North American Aviation Corp
•
Filing: 1963-04-01
•
Granted: 1966-08-09
•
Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert J Medford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:44
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0011; H05K3/0017; H05K3/002; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/0554; H05K2203/07; H05K2203/0779; H05K2203/0786; H05K2203/0789; H05K3/40; H05K3/42; H05K3/425; H05K3/427; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US378423A
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US2421607A
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US2536383A
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US3042591A
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US3046176A
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US3042566A
Cited
US3081203A
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US3113855A
Cited
US3186883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |